diff --git a/wasp/demo.py b/wasp/demo.py
new file mode 100644
index 0000000..b8477db
--- /dev/null
+++ b/wasp/demo.py
@@ -0,0 +1,27 @@
+# Simple alternating logo demo
+
+import pinetime, logo, time
+
+def run():
+    colors = (
+            0xffff,
+            0xf800, # red
+            0xffff,
+            0xffe0, # yellow
+            0xffff,
+            0x07e0, # green
+            0xffff,
+            0x07ff, # cyan
+            0xffff,
+            0x001f, # blue
+            0xffff,
+            0xf81f, # magenta
+            )
+
+    tft = pinetime.st7789()
+
+    while True:
+        for c in colors:
+            tft.rleblit(logo.sx, logo.sy, logo.image, fg=c)
+            time.sleep(2)
+
diff --git a/wasp/main.py b/wasp/main.py
new file mode 100644
index 0000000..9b96781
--- /dev/null
+++ b/wasp/main.py
@@ -0,0 +1,2 @@
+import demo
+demo.run()